Add sticky transform to surfaceflinger.

Bug: 15116722

- Adds a sticky transform field that can be set from a
  SurfaceFlinger client Surface.  This transform is
  added to any transform applied to the Surface.

Change-Id: Idaa4311dfd027b2d2b8ea5e2c6cba2da5779d753
diff --git a/include/gui/BufferQueueProducer.h b/include/gui/BufferQueueProducer.h
index fe8a308..3fc5de2 100644
--- a/include/gui/BufferQueueProducer.h
+++ b/include/gui/BufferQueueProducer.h
@@ -195,6 +195,8 @@
     // most updates).
     String8 mConsumerName;
 
+    uint32_t mStickyTransform;
+
 }; // class BufferQueueProducer
 
 } // namespace android